21277297920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{325939}}^1$

素因数の和:325980

約数の個数: 144

約数和(自身を含む): 71951906880

約数和(自身を除く): 50674608960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 3840, 4080, 4352, 5440, 6528, 8160, 10880, 13056, 16320, 21760, 32640, 65280, 325939, 651878, 977817, 1303756, 1629695, 1955634, 2607512, 3259390, 3911268, 4889085, 5215024, 5540963, 6518780, 7822536, 9778170, 10430048, 11081926, 13037560, 15645072, 16622889, 19556340, 20860096, 22163852, 26075120, 27704815, 31290144, 33245778, 39112680, 41720192, 44327704, 52150240, 55409630, 62580288, 66491556, 78225360, 83114445, 83440384, 88655408, 104300480, 110819260, 125160576, 132983112, 156450720, 166228890, 177310816, 208600960, 221638520, 250321152, 265966224, 312901440, 332457780, 354621632, 417201920, 443277040, 531932448, 625802880, 664915560, 709243264, 886554080, 1063864896, 1251605760, 1329831120, 1418486528, 1773108160, 2127729792, 2659662240, 3546216320, 4255459584, 5319324480, 7092432640, 10638648960, 21277297920]

約数ペア:

[(1, 21277297920), (2, 10638648960), (3, 7092432640), (4, 5319324480), (5, 4255459584), (6, 3546216320), (8, 2659662240), (10, 2127729792), (12, 1773108160), (15, 1418486528), (16, 1329831120), (17, 1251605760), (20, 1063864896), (24, 886554080), (30, 709243264), (32, 664915560), (34, 625802880), (40, 531932448), (48, 443277040), (51, 417201920), (60, 354621632), (64, 332457780), (68, 312901440), (80, 265966224), (85, 250321152), (96, 221638520), (102, 208600960), (120, 177310816), (128, 166228890), (136, 156450720), (160, 132983112), (170, 125160576), (192, 110819260), (204, 104300480), (240, 88655408), (255, 83440384), (256, 83114445), (272, 78225360), (320, 66491556), (340, 62580288), (384, 55409630), (408, 52150240), (480, 44327704), (510, 41720192), (544, 39112680), (640, 33245778), (680, 31290144), (768, 27704815), (816, 26075120), (960, 22163852), (1020, 20860096), (1088, 19556340), (1280, 16622889), (1360, 15645072), (1632, 13037560), (1920, 11081926), (2040, 10430048), (2176, 9778170), (2720, 7822536), (3264, 6518780), (3840, 5540963), (4080, 5215024), (4352, 4889085), (5440, 3911268), (6528, 3259390), (8160, 2607512), (10880, 1955634), (13056, 1629695), (16320, 1303756), (21760, 977817), (32640, 651878), (65280, 325939)]